Compare 640238 vs 640243

Property	640238	640243
Type	semiprime	composite number
Unique factors	2	3
Total factors	2	3
Prime factorization	2¹ × 320119¹	19¹ × 31¹ × 1087¹
Prime factorization	2 × 320119	19 × 31 × 1087
Divisors count	4	8
Divisors	1, 2, 320119, 640238	1, 19, 31, 589, 1087, 20653, 33697, 640243
Number of properties	1	0
Semiprimes	137193rd
Roman numberals
Base 2	10011100010011101110₂	10011100010011110011₂
Base 3	1012112020112₃	1012112020201₃
Base 4	2130103232₄	2130103303₄
Base 5	130441423₅	130441433₅
Base 6	21420022₆	21420031₆
Base 7	5304404₇	5304412₇
Base 8	2342356₈	2342363₈
Base 9	1175215₉	1175221₉
Base 10	640238₁₀	640243₁₀
Base 11	3a8025₁₁	3a802a₁₁
Base 12	26a612₁₂	26a617₁₂
Base 13	195551₁₃	195556₁₃
Base 14	129474₁₄	129479₁₄
Base 15	c9a78₁₅	c9a7d₁₅
Base 16	9c4ee₁₆	9c4f3₁₆